Global Patent Index - EP 0328661 B1

EP 0328661 B1 19940112 - OPTICAL ENCODER.

Title (en)

OPTICAL ENCODER.

Title (de)

OPTISCHE KODIERVORRICHTUNG.

Title (fr)

CODEUR OPTIQUE.

Publication

EP 0328661 B1 19940112 (EN)

Application

EP 88906107 A 19880720

Priority

JP 11519787 U 19870728

Abstract (en)

[origin: WO8901131A1] A chip mount of a flexible cable (18) on which a photodetector has been mounted is placed on a shield plate (22) and a patterned part (15b) of a fixed code plate (15) and the shield plate (22) are grounded so as to shield the periphery of said photodetector and to improve the allowance for noise generated internally.

IPC 1-7

G01D 5/34; G01P 3/48

IPC 8 full level

G01D 5/347 (2006.01)

CPC (source: EP US)

G01D 5/34715 (2013.01 - EP US); G01D 2205/50 (2021.05 - EP)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 8901131 A1 19890209; DE 3887125 D1 19940224; DE 3887125 T2 19940428; EP 0328661 A1 19890823; EP 0328661 A4 19920415; EP 0328661 B1 19940112; JP S6421327 U 19890202; US 4906838 A 19900306

DOCDB simple family (application)

JP 8800722 W 19880720; DE 3887125 T 19880720; EP 88906107 A 19880720; JP 11519787 U 19870728; US 32009389 A 19890307